TABLE III.
Differences in Parameters Between Patients with and without PLC Injury*
| Group I | Group II | |||
|---|---|---|---|---|
| Injury (N = 8) | Noninjury (N = 20) | Injury (N = 6) | Noninjury (N = 16) | |
| Medial plateau retreat distance (mm) | 5.7 ± 1.5 | 4.2 ± 2.2 | 8.8 ± 4.9 | 6.7 ± 2.7 |
| Lateral plateau retreat distance (mm) | −3.4 ± 2.4 | −1.2 ± 3.0 | 4.7 ± 6.2 | 1.4 ± 5.3 |
| Rotation angle (deg) | 8.0 ± 3.5 | 3.2 ± 1.1 | 7.0 ± 5.5 | 3.4 ± 1.0 |
| Medial proximal tibial angle (deg) | 85.1 ± 2.2 | 85.1 ± 2.8 | 83.0 ± 2.2 | 84.3 ± 1.9 |
| Medial posterior tibial slope (deg) | 0.2 ± 4.8 | 1.3 ± 8.3 | −9.4 ± 10.5 | −4.8 ± 5.2 |
| Lateral posterior tibial slope (deg) | 6.6 ± 2.9 | 6.4 ± 4.8 | −3.8 ± 7.7 | −2.6 ± 6.0 |
| Anterior articular surface loss (%) | 15.1 ± 12.6 | 27.7 ± 15.4 | — | — |
| Fracture area ratio (%) | 6.2 ± 2.8 | 16.7 ± 5.6 | — | — |
*
The values are given as the mean ± the standard deviation. PLC = posterolateral corner.